Leader of Southampton Council Royston Smith
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Royston Smith: 'I managed to wrestle him to the ground'

19 September 2011 Last updated at 16:23 BST

A Royal Navy serviceman who shot dead a senior officer on board a nuclear submarine has pleaded guilty to murder and three counts of attempted murder.

Able Seaman Ryan Samuel Donovan, admitted killing Lt Cdr Ian Molyneux, 36, of Wigan, Greater Manchester, on board the nuclear submarine HMS Astute.

A second crewman, Lt Cdr Christopher Hodge, was also shot while the sub was docked in Southampton on 8 April.

Royston Smith, leader of Southampton Council, was on the submarine during the incident. He spoke to the BBC's Robert Hall shortly after it happened, explaining how he confronted the gunman.

First published in April 2011